35 lines
964 B
C
35 lines
964 B
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright 2022 William Breathitt Gray */
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#ifndef _I8255_H_
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#define _I8255_H_
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struct device;
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struct irq_domain;
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struct regmap;
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#define i8255_volatile_regmap_range(_base) regmap_reg_range(_base, _base + 0x2)
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/**
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* struct i8255_regmap_config - Configuration for the register map of an i8255
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* @parent: parent device
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* @map: regmap for the i8255
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* @num_ppi: number of i8255 Programmable Peripheral Interface
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* @names: (optional) array of names for gpios
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* @domain: (optional) IRQ domain if the controller is interrupt-capable
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*
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* Note: The regmap is expected to have cache enabled and i8255 control
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* registers not marked as volatile.
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*/
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struct i8255_regmap_config {
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struct device *parent;
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struct regmap *map;
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int num_ppi;
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const char *const *names;
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struct irq_domain *domain;
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};
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int devm_i8255_regmap_register(struct device *dev,
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const struct i8255_regmap_config *config);
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#endif /* _I8255_H_ */
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